<template>
  <!-- singermv 和 mv -->
  <div>
    <div class="videoListCard" v-infinite-scroll="load" :infinite-scroll-disabled="disabled" :infinite-scroll-distance="300" :infinite-scroll-immediate="false" v-if="videoType == 'singerMv' || videoType == 'mv'">
      <div class="cardItem" v-for="(item, index) in videoList" :key="index" @click="clickListCardItem(item.id, index, item.type)">
        <div class="videoCover">
          <img :src="
              (videoType == 'singerMv' ? item.imgurl : item.cover) +
              '?param=680y400'
            " alt="" />
          <div class="playCount">
            <i class="iconfont icon-shipin"></i>{{ item.playCount | handleNum }}
          </div>
          <div class="videoTime" v-if="videoType == 'singerMv'">
            {{ item.duration | handleMusicTime }}
          </div>
        </div>
        <div class="videoTitle">{{ item.name }}</div>
        <div class="singer" v-if="videoType == 'mv'">{{ item.artistName }}</div>
      </div>
    </div>
    <!-- video -->
    <div class="videoListCard" v-infinite-scroll="load" :infinite-scroll-disabled="disabled" :infinite-scroll-distance="300" :infinite-scroll-immediate="false" v-else-if="videoType == 'video'">
      <div class="cardItem" v-for="(item, index) in videoList" :key="index" @click="clickListCardItem(item.vid || item.data.vid, index, item.type)">
        <div class="videoCover">
          <img :src="(item.coverUrl || item.data.coverUrl) + '?param=1260y800'" alt="" />
          <div class="playCount">
            <i class="iconfont icon-shipin"></i>{{ (item.playTime || item.data.playTime) | handleNum }}
          </div>
          <div class="videoTime">
            {{ (item.durationms || item.data.durationms) | handleMusicTime }}
          </div>
        </div>
        <div class="videoTitle">{{ item.title || item.data.title }}</div>
      </div>
    </div>
  </div>
</template>

<script>
import { handleMusicTime, handleNum } from 'plugins/utils.js'

export default {
  name: 'VideoListCard',
  data() {
    return {
      // 无限滚动是否可用
      disabled: true
    }
  },
  props: {
    videoList: {
      type: Array,
      default() {
        return []
      }
    },
    // 是否触底加载
    isLoad: {
      type: Boolean,
      default() {
        return false
      }
    },
    videoType: {
      type: String,
      default() {
        return 'singerMv'
      }
    }
  },
  methods: {
    clickListCardItem(id, index, type) {
      this.$emit('clickListCardItem', { id, index, type })
    },
    // 上拉触底触发
    load() {
      console.log('load')
      this.$emit('bottomLoad')
      // 触发load后加载数据 期间不允许再次触发load事件
      this.disabled = true
    }
  },
  filters: {
    handleMusicTime,
    handleNum
  },
  watch: {
    //   数据更新后，再次运行触发load事件
    videoList() {
      if (this.isLoad == true) {
        if (this.videoList.length != 0) {
          this.disabled = false
        } else {
          this.disabled = true
        }
      }
    }
  }
}
</script>

<style scoped>
.videoListCard {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  padding: 0;
  justify-content: center;
  margin-top: 20px;
}

.cardItem {
  max-width: 228px;
  width: 18.3vw;
  margin-right: 1%;
  margin-left: 1%;
  margin-bottom: 20px;
  cursor: pointer;
}

/* .cardItem:nth-child(4n) {
  margin: 0;
} */

.videoCover {
  position: relative;
  height: 11.6vw;
  width: 100%;
  max-height: 144px;
  overflow: hidden;
  border-radius: 10px;
  display: flex;
  align-items: center;
  background-color: black;
}

.videoCover img {
  width: 18.3vw;
}

.playCount {
  font-size: 12px;
  color: white;
  position: absolute;
  top: 0;
  right: 5px;
  transform: scale(0.9);
}

.videoTime {
  font-size: 12px;
  color: white;
  position: absolute;
  bottom: 5px;
  transform: scale(0.9);
  right: 5px;
}

.videoTitle {
  margin-top: 8px;
  font-size: 12px;
  line-height: 16px;
  color: rgb(32, 32, 32);
}

.singer {
  font-size: 12px;
  transform: scale(0.9) translateX(-5%);
  margin: 1px 0 0 -1px;
  padding: 0;
}
</style>